Telephone system



1956 R. B. TROUSDALE 2,773,939

TELEPHONE SYSTEM Filed May 29, 1953 28 Sheets-Sheet l Sen/Ike ,1, Serumsr 1' Ma 1 1924/ {ii Faber? .5. fizz $53 16 BY Y a QM 1956 R. B.TROUSDALE TELEPHONE SYSTEM 28 Sheets-Sheet 2 Filed May 29, 1953 aw S mwWQQQQ M n y 909 /1195 5712?; Japazzuqy- 19 1221 6 Rd m a m w m w 7 DWDec, 11, 1956 R s. TROUSDALE 1,

TELEPHONE SYSTEM Filed May 29, 1953 28 SheetsSheet 5 Carzzzecior-ffi cParfy 57. 6!" flaw/ree Ten: Di Z 1171.155 my 28 zsier a, 62' mwcer 6Czircuz'f CID/medal 5 I Puke jigs 5118 M? Formi a Tr p.

Line 5 I as Code C: if L 242 SZQIZ Czrcuzi rcuzi My Zine Conway/ion 0 afCurin I I I 242 INVENTOR Poberi 5 fi'ousdale Dec. 11, 1956 R. B.TROUSDALE TELEPHONE SYSTEM 28 Sheets-Sheet 6 Filed May 29, 1953 m .QNN kNN xwmk WQQEQ mmmw km QWN QU QEQ mums mw= QE EEQQ wwwm gmag 6721; 529911 IN V EN TOR. 2017627 5 Foasaa/ Aiiy Dec, H, 1956 R. B. TROUSDALETELEPHONE SYSTEM 28 Shee ts-Sheet '7 Filed May 29, 1953 NN QMQEQ Um Q INVEN TOR. 5i 75 0zz5'daici L W v w Dec. 11, 1956 R. B. TROUSDALETELEPHONE SYSTEM 28 Sheets-Sheet 9 Filed May 29, 1953 A 0 T 2A a 1 M A me 8f 5 W 3 q a mi N a $1. gw 3 R11. 8 1 3 c 2 1 d 6 8 w um m 0 M Wm w Ww X a 2.... 7 a m 3 f a. 5 d V. 0/ V v WW1 00 J wm n m M mm w 1%. w p w7 0w 0 r r ".1. w 2 I s .w a .4 6 n P w ,7 I- n: 2 a r in 2 3 .i W. 0 .35 WA Z 5 .m y. n w w I1 k & w w w P a M Dec. 11, 1956 TELEPHONE SYSTEMFiled May 29, 1953 Tens Qeqsfer R. B. TROUSDALE 28 Sheets-Sheet 10 Man!In All Dec. 11, 1956 Filed May 29, 1953 R. B. TROUSDALE TELEPHONE SYSTEM28 Shets-Sheet 11 fiw Dec. 11, 1956 R. B. TROUSDALE 2,773,939

TELEPHONE SYSTEM Filed May 29, 1953 28 Sheets-Sheet 12 752725 Digg'Pegz's ier' 2/7 1 fiwn 7rrs' False Einq-Z/ Units Diqii Register -2i523.2

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INVENTOR. 'eri fwzzsdale Dec. 11, 1956 R. B. TROUSDALE TELEPHONE SYSTEM28 Sheets-Sheet 13 Filed May 29, 1953 ma H m 9 3 1 6 a mmw wm m 0 flilll lzl fil Dec. 11, 1956 R. TROUSDALE TELEPHONE SYSTEM 28 Sheets-Sheet14 Filed May 29, 1953 max- Q g Eu Q 3 6 r N h n P N R wsu IN V EN TOR.Haberi 5 ioasddZe 11, 1956 R. a. TROUSDALE 297737939 TELEPHONE SYSTEMFiled May 29, 1953 28 Sheets-Sheet 17 266: Fees as C'alled Linecons'z'rud'ar circuii -222 f ,150 y, #450 M fr. firive i 5 $521M XM Dec.11, 1955 R. B. TROUSDALE 2,773,939

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